Welcome To A World With 280-Character TweetsThe company announced on Tuesday it is doubling how many characters users can cram into a tweet.
Twitter Trading Halted, Stock Nose Dives After Unplanned Earnings ReleaseTwitter's stock is falling sharply after the company's earnings — due to be released after the stock market closes — came out ahead of time.
Twitter Stock Price Skyrockets After News Of Revenue, User SurgeStronger revenue from Twitter sent the company's stock up 21 percent in early trading Wednesday.
Twitter Stock Slides To All-Time Low As Employee Lock-Up EndsLock-up periods prevent company insiders from selling stock following an initial public offering. CEO Dick Costolo and co-founders Jack Dorsey and Evan Williams have said that they have no plans to sell their stock when the lock-up expired, 180 days after Twitter's initial public offering.